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authorkrasimir <krasimir@chalmers.se>2009-12-13 18:50:29 +0000
committerkrasimir <krasimir@chalmers.se>2009-12-13 18:50:29 +0000
commitf85232947e74ee7ef8c7b0ad2338212e7e68f1be (patch)
tree667b886a5e3a4b026a63d4e3597f32497d824761 /src/GF/Text/Transliterations.hs
parentd88a865faff59c98fc91556ff8700b10ee5f2df8 (diff)
reorganize the directories under src, and rescue the JavaScript interpreter from deprecated
Diffstat (limited to 'src/GF/Text/Transliterations.hs')
-rw-r--r--src/GF/Text/Transliterations.hs206
1 files changed, 0 insertions, 206 deletions
diff --git a/src/GF/Text/Transliterations.hs b/src/GF/Text/Transliterations.hs
deleted file mode 100644
index e2747f506..000000000
--- a/src/GF/Text/Transliterations.hs
+++ /dev/null
@@ -1,206 +0,0 @@
-module GF.Text.Transliterations (
- transliterate,
- transliteration,
- characterTable,
- transliterationPrintNames
- ) where
-
-import GF.Text.UTF8
-
-import Data.Char
-import Numeric
-import qualified Data.Map as Map
-
--- transliterations between ASCII and a Unicode character set
-
--- current transliterations: devanagari, thai
-
--- to add a new one: define the Unicode range and the corresponding ASCII strings,
--- which may be one or more characters long
-
--- conventions to be followed:
--- each character is either [letter] or [letter+nonletters]
--- when using a sparse range of unicodes, mark missing codes as "-" in transliterations
--- characters can be invisible: ignored in translation to unicode
-
-transliterate :: String -> Maybe (String -> String)
-transliterate s = case s of
- 'f':'r':'o':'m':'_':t -> fmap appTransFromUnicode $ transliteration t
- 't':'o':'_':t -> fmap appTransToUnicode $ transliteration t
- _ -> Nothing
-
-transliteration :: String -> Maybe Transliteration
-transliteration s = Map.lookup s allTransliterations
-
-allTransliterations = Map.fromAscList [
- ("ancientgreek", transAncientGreek),
- ("arabic", transArabic),
- ("devanagari", transDevanagari),
- ("greek", transGreek),
- ("hebrew", transHebrew),
- ("persian", transPersian),
- ("telugu", transTelugu),
- ("thai", transThai)
- ---- "urdu", transUrdu
- ]
-
--- used in command options and help
-transliterationPrintNames = [(t,printname p) | (t,p) <- Map.toList allTransliterations]
-
-characterTable :: Transliteration -> String
-characterTable = unlines . map prOne . Map.assocs . trans_from_unicode where
- prOne (i,s) = unwords ["|", showHex i "", "|", [toEnum i], "|", s, "|"]
-
-data Transliteration = Trans {
- trans_to_unicode :: Map.Map String Int,
- trans_from_unicode :: Map.Map Int String,
- invisible_chars :: [String],
- printname :: String
- }
-
-appTransToUnicode :: Transliteration -> String -> String
-appTransToUnicode trans =
- concat .
- map (\c -> maybe c (return . toEnum) $
- Map.lookup c (trans_to_unicode trans)
- ) .
- filter (flip notElem (invisible_chars trans)) .
- unchar
-
-appTransFromUnicode :: Transliteration -> String -> String
-appTransFromUnicode trans =
- concat .
- map (maybe "?" id .
- flip Map.lookup (trans_from_unicode trans)
- ) .
- map fromEnum
-
-
-mkTransliteration :: String -> [String] -> [Int] -> Transliteration
-mkTransliteration name ts us =
- Trans (Map.fromList (tzip ts us)) (Map.fromList (uzip us ts)) [] name
- where
- tzip ts us = [(t,u) | (t,u) <- zip ts us, t /= "-"]
- uzip us ts = [(u,t) | (u,t) <- zip us ts, t /= "-"]
-
-
-unchar :: String -> [String]
-unchar s = case s of
- c:d:cs
- | isAlpha d -> [c] : unchar (d:cs)
- | isSpace d -> [c]:[d]: unchar cs
- | otherwise -> let (ds,cs2) = break (\x -> isAlpha x || isSpace x) cs in
- (c:d:ds) : unchar cs2
- [_] -> [s]
- _ -> []
-
-transThai :: Transliteration
-transThai = mkTransliteration "Thai" allTrans allCodes where
- allTrans = words $
- "- k k1 - k2 - k3 g c c1 c2 s' c3 y' d' t' " ++
- "t1 t2 t3 n' d t t4 t5 t6 n b p p1 f p2 f' " ++
- "p3 m y r - l - w s- s. s h l' O h' - " ++
- "a. a a: a+ i i: v v: u u: - - - - - - " ++
- "e e' o: a% a& L R S T1 T2 T3 T4 K - - - " ++
- "N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 - - - - - - "
- allCodes = [0x0e00 .. 0x0e7f]
-
-transDevanagari :: Transliteration
-transDevanagari =
- (mkTransliteration "Devanagari"
- allTransUrduHindi allCodes){invisible_chars = ["a"]} where
- allCodes = [0x0900 .. 0x095f]
-
-allTransUrduHindi = words $
- "- M N - - a- A- i- I- u- U- R- - - - e- " ++
- "E- - - o- O- k K g G N: c C j J n: t. " ++
- "T. d. D. n. t T d D n - p P b B m y " ++
- "r - l - - v S s. s h - - r: - A i " ++
- "I u U R - - - e E o O - - - - - " ++
- "- - - - - - - - - - - z r. - - - "
-
-transUrdu :: Transliteration
-transUrdu =
- (mkTransliteration "Urdu" allTransUrduHindi allCodes){invisible_chars = ["a"]} where
- allCodes = [0x0900 .. 0x095f] ---- TODO: this is devanagari
-
-transArabic :: Transliteration
-transArabic = mkTransliteration "Arabic" allTrans allCodes where
- allTrans = words $
- " V A: A? w? A- y? A b t. t v g H K d " ++ -- 0621 - 062f
- "W r z s C S D T Z c G " ++ -- 0630 - 063a
- " f q k l m n h w y. y a. u. i. a u " ++ -- 0641 - 064f
- "i v2 o a: V+ V- i: a+ " ++ -- 0650 - 0657
- "A* " -- 0671 (used by AED)
- allCodes = [0x0621..0x062f] ++ [0x0630..0x063a] ++
- [0x0641..0x064f] ++ [0x0650..0x0657] ++ [0x0671]
-
-transPersian :: Transliteration
-transPersian = (mkTransliteration "Persian/Farsi" allTrans allCodes)
- {invisible_chars = ["a","u","i"]} where
- allTrans = words $
- " V A: A? w? A- y? A b t. t t- j H K d " ++ -- 0621 - 062f
- "W r z s C S D T Z c G " ++ -- 0630 - 063a
- " f q k l m n h v y. y a. u. i. a u " ++ -- 0641 - 064f
- "i v2 o a: V+ V- i: a+ " ++ -- 0650 - 0657
- "p c^ J g "
- allCodes = [0x0621..0x062f] ++ [0x0630..0x063a] ++
- [0x0641..0x064f] ++ [0x0650..0x0657] ++
- [0x067e,0x0686,0x0698,0x06af]
-
-transHebrew :: Transliteration
-transHebrew = mkTransliteration "unvocalized Hebrew" allTrans allCodes where
- allTrans = words $
- "A b g d h w z H T y K k l M m N " ++
- "n S O P p Z. Z q r s t - - - - - " ++
- "w2 w3 y2 g1 g2"
- allCodes = [0x05d0..0x05f4]
-
-transTelugu :: Transliteration
-transTelugu = mkTransliteration "Telugu" allTrans allCodes where
- allTrans = words $
- "- c1 c2 c3 - A A: I I: U U: R_ L_ - E E: " ++
- "A' - O O: A_ k k. g g. n. c c. j j. n' T " ++
- "T. d d. N t t. d d. n - p p. b b. m y " ++
- "r R l L - v s' S s h - - - c5 a: i " ++
- "i: u u: r_ r. - e e: a' - o o: a_ c6 - - " ++
- "- - - - - c7 c8 z Z - - - - - - - " ++
- "R+ L+ l+ l* - - n0 n1 n2 n3 n4 n5 n6 n7 n8 n9 "
- allCodes = [0x0c00 .. 0x0c7f]
-
-transGreek :: Transliteration
-transGreek = mkTransliteration "modern Greek" allTrans allCodes where
- allTrans = words $
- "- - - - - - A' - E' H' I' - O' - Y' W' " ++
- "i= A B G D E Z H V I K L M N X O " ++
- "P R - S T Y F C Q W I- Y- a' e' h' i' " ++
- "y= a b g d e z h v i k l m n x o " ++
- "p r s* s t y f c q w i- y- o' y' w' - "
- allCodes = [0x0380 .. 0x03cf]
-
-transAncientGreek :: Transliteration
-transAncientGreek = mkTransliteration "ancient Greek" allTrans allCodes where
- allTrans = words $
- "- - - - - - - - - - - - - - - - " ++
- "i= A B G D E Z H V I K L M N X O " ++
- "P R - S T Y F C Q W I- Y- - - - - " ++
- "y= a b g d e z h v i k l m n x o " ++
- "p r s* s t y f c q w i- y- - - - - " ++
- "a) a( a)` a(` a)' a(' a)~ a(~ A) A( A)` A(` A)' A(' A)~ A(~ " ++
- "e) e( e)` e(` e)' e(' - - E) E( E)` E(` E)' E(' - - " ++
- "h) h( h)` h(` h)' h(' h)~ h(~ H) H( H)` H(` H)' H(' H)~ H(~ " ++
- "i) i( i)` i(` i)' i(' i)~ i(~ I) I( I)` I(` I)' I(' I)~ I(~ " ++
- "o) o( o)` o(` o)' o(' - - O) O( O)` O(` O)' O(' - - " ++
- "y) y( y)` y(` y)' y(' y)~ y(~ - Y( - Y(` - Y(' - Y(~ " ++
- "w) w( w)` w(` w)' w(' w)~ w(~ W) W( W)` W(` W)' W(' W)~ W(~ " ++
- "a` a' e` e' h` h' i` i' o` o' y` y' w` w' - - " ++
- "a|( a|) a|)` a|(` a|)' a|(' a|)~ a|(~ - - - - - - - - " ++ -- 1f80-
- "h|( h|) h|)` h|(` h|)' h|(' h|)~ h|(~ - - - - - - - - " ++ -- 1f90-
- "w|( w|) w|)` w|(` w|)' w|(' w|)~ w|(~ - - - - - - - - " ++ -- 1fa0-
- "a. a_ a|` a| a|' - a~ a|~ - - - - - - - - " ++ -- 1fb0-
- "- - h|` h| h|' - h~ h|~ - - - - - - - - " ++ -- 1fc0-
- "i. i_ i=` i=' - - i~ i=~ - - - - - - - - " ++ -- 1fd0-
- "y. y_ y=` y=' r) r( y~ y|~ - - - - - - - - " ++ -- 1fe0-
- "- - w|` w| w|' - w~ w|~ - - - - - - - - " -- 1ff0-
- allCodes = [0x0380 .. 0x03cf] ++ [0x1f00 .. 0x1fff]
-